注意下列加粗字的读音:
缚一人( )酒酣( )诣王( )曷为( )
fù;hān;yì;hé
He has been in high spirits, for pieces of exciting news came to him __________.
A.one after another
B.one by one
C.little by little
D.step by step
励磁系统输出的励磁电压必须保证顶值电压倍数要求,保证顶值电压倍数要求所对应的机端电压最小为()。
A.80%
B.85%
C.90%